Antiplugging Protection Is Obtained When a Device Prevents the Application

question 7

Multiple Choice

Antiplugging protection is obtained when a device prevents the application of a counter torque until the motor speed ____.

• A)decreases to zero
• B)is reduced to an acceptable value
• C)decreases below a preset limit
• D)increases above a preset limit

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Definitions:

True Power

Generally expressed as watts. Describes the amount of electrical energy converted into some other form.

Ohmmeter

An instrument for measuring electrical resistance in ohms.

Analog Meter

A device that measures and displays information using a moving pointer or dial rather than digital means.

Wheatstone Bridge

An electrical circuit used to measure unknown electrical resistances by balancing two legs of a bridge circuit, one leg of which includes the unknown component.